<video autoplay muted loop preload poster="https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/oceanshot.jpg">
  <source src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/ocean-small.webm" />
  <source src="http://thenewcode.com/assets/videos/ocean-small.mp4" />
</video>
<h1>ocean</h1>